fio-bench Intel Xeon E3-1220 v3 testing on Gentoo/Linux via the Phoronix Test Suite. Seagate 7200.14 / smart failing: Processor: AMD FX-8320 Eight-Core @ 3.51GHz (8 Cores), Motherboard: ASUS SABERTOOTH 990FX, Memory: 8192MB, Disk: 240GB INTEL SSDSC2BP24 + 1000GB Seagate ST1000DM003-1CH1 + 3000GB VD10-0, Graphics: AMD TONGA 4096MB, Monitor: BenQ BL2201 OS: Gentoo/Linux, Kernel: 4.9.6-gentoo-r1 (x86_64), Desktop: KDE Frameworks 5, Display Server: X Server 1.18.4, Display Driver: amdgpu 1.1.0, OpenGL: 4.3 Mesa 12.0.1 Gallium 0.4, Compiler: GCC 4.9.4 + Clang 3.9.0 + LLVM 3.9.0, File-System: ext4, Screen Resolution: 5040x1050 Highpoint 3510 / raid 5 / 7200.14 / degraded: Processor: AMD FX-8320 Eight-Core @ 3.51GHz (8 Cores), Motherboard: ASUS SABERTOOTH 990FX, Memory: 8192MB, Disk: 240GB INTEL SSDSC2BP24 + 1000GB Seagate ST1000DM003-1CH1 + 3000GB VD10-0, Graphics: AMD TONGA 4096MB, Monitor: BenQ BL2201 OS: Gentoo/Linux, Kernel: 4.9.6-gentoo-r1 (x86_64), Desktop: KDE Frameworks 5, Display Server: X Server 1.18.4, Display Driver: amdgpu 1.1.0, OpenGL: 4.3 Mesa 12.0.1 Gallium 0.4, Compiler: GCC 4.9.4 + Clang 3.9.0 + LLVM 3.9.0, File-System: ext4, Screen Resolution: 5040x1050 Marvell 94xx / mdadm raid 5: Processor: Intel Xeon E3-1220 v3 @ 3.10GHz (4 Cores), Motherboard: Supermicro X10SLL-F v1.02, Memory: 16384MB, Disk: 2 x 32GB SATA SSD + 4 x 1000GB Seagate ST1000NM0045 OS: Gentoo/Linux, Kernel: 4.9.6-gentoo-r1-test (x86_64), Compiler: GCC 4.9.4, File-System: ext4, Screen Resolution: 800x600 Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better Seagate 7200.14 / smart failing .............. 479 |===== Highpoint 3510 / raid 5 / 7200.14 / degraded . 840 |======== Marvell 94xx / mdadm raid 5 .................. 2590 |========================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better Seagate 7200.14 / smart failing .............. 1.98 |===== Highpoint 3510 / raid 5 / 7200.14 / degraded . 3.39 |======== Marvell 94xx / mdadm raid 5 .................. 10.40 |========================= Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better Seagate 7200.14 / smart failing .............. 56.50 |====== Highpoint 3510 / raid 5 / 7200.14 / degraded . 211.18 |======================== Marvell 94xx / mdadm raid 5 .................. 54.25 |====== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better Seagate 7200.14 / smart failing .............. 11059 |===== Highpoint 3510 / raid 5 / 7200.14 / degraded . 52906 |========================= Marvell 94xx / mdadm raid 5 .................. 14531 |======= Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better Seagate 7200.14 / smart failing .............. 163.24 |========= Highpoint 3510 / raid 5 / 7200.14 / degraded . 122.28 |====== Marvell 94xx / mdadm raid 5 .................. 460.82 |======================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better Seagate 7200.14 / smart failing .............. 40766 |======== Highpoint 3510 / raid 5 / 7200.14 / degraded . 31809 |======= Marvell 94xx / mdadm raid 5 .................. 115447 |======================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better Seagate 7200.14 / smart failing .............. 0.45 |==== Highpoint 3510 / raid 5 / 7200.14 / degraded . 1.23 |============ Marvell 94xx / mdadm raid 5 .................. 2.73 |========================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better Seagate 7200.14 / smart failing .............. 39 |== Highpoint 3510 / raid 5 / 7200.14 / degraded . 299 |============ Marvell 94xx / mdadm raid 5 .................. 676 |===========================